Personal Computer User Manual
Manuals
Brands
Dell Manuals
Desktop
OPTIPLEX 755
151
152
153
154
155
156
157
158
159
160
Power Supply
157
DC Power Connectors
DC Power Connector P1
Pin
Number
Signal name
18-AWG
Wire
1
+3.3 VDC
Orange
2
+3.3 VDC
Orange
3G
N
D
B
l
a
c
k
4
+5 VDC
Red
5G
N
D
B
l
a
c
k
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
1
...
...
155
156
157
158
159
...
...
386
